The built world model {{ chapterNum }} / {{ chapterTotal }}
Higharc · Homebuilding AI

{{ titleA }} {{ titleB }}

{{ headA }} {{ headB }}

{{ bodyPre }} {{ bodyKey }}{{ bodyPost }}

{{ detailLabel }}

{{ detail }}

Higharc AI Higharc AI: three supplied image examples Astra GPT-6 Astra GPT-6: four supplied image examples Neuro Symbolic AI Trusted, predictable, tuned to your business Generic Frontier AI (Claude, ChatGPT, Gemini, Grok, etc) Higharc AI Higharc AI: three supplied image examples Astra GPT-6 Neuro Symbolic AI Trusted, predictable, tuned to your business Generic Frontier AI (Claude, ChatGPT, Gemini, Grok, etc) The built world model at the core PDF · Construction set A-101 Floor plan A-201 Front elevation A-501 Wall section A-601 Schedules PRIMARYBED 2KITCHENUTILGREAT RMDINING W-04 7'-6" 62½" (2) 2×10→ F-2 → FTG 2×6 @ 16"½" GYP · 7/16" OSB WINDOW SCHEDULE MARKSIZER.O.TYPE W-01305038½ × 62½SH W-02204026½ × 50½SH W-03605074½ × 62½SL W-04305038½ × 62½SH W-05305038½ × 62½SH R.O. ROUGH OPENING · SH SINGLE-HUNG Images · Renderings & photos Rendering · front-right ERP · Cost & option data SKUUNIT COSTTRADE 04-112$388.00Glazing 04-118$412.00Glazing 04-121$455.00Glazing Unstructured sources Digital twin Every value tied to its source. 40'-0" 5'-0" 3'-0" 5'-0" Window W-04 3½″ 1 2 3 SKU 04-118 $412.00 38½″ 62½″
{{ l.title }} {{ l.sub }}

{{ o.title }}{{ o.num }} / 07

{{ row.label }}{{ row.value }}
{{ o.path }}
Unstructured data transforms into a 3D digital twin, and have verified relationships.
{{ detailLabel }} {{ detail }}
Higharc data model · Window W-04
{{ f.label }} {{ f.value }}
{{ n.i }}
{{ n.title }} {{ n.detail }}
The built world model Neuro-symbolic AI
Floor plan recognition benchmark Accuracy vs ground truth · score out of 100 · higher is better
Higharc 500 plan set · Sept 2026
{{ c.name }}
{{ r.rank }}
{{ r.name }} {{ r.org }}
{{ c.text }}
Frontier models: zero-shot, one call per plan, scored against human-reviewed ground truth. Higharc 500 plan set, Sept 2026. Overall is the mean of the four columns. Methods differ by column; see the benchmark report for detail.
{{ r.num }}
{{ r.title }}
{{ r.body }}
{{ chapterNum }} / {{ chapterTotal }}
{{ b.eyebrow }}

{{ b.headA }} {{ b.headB }}

{{ b.pre }} {{ b.key }}{{ b.post }}

Scroll ↓
{{ b.label }}

{{ b.detail }}